Home / 13,556.74-18,704.02-7,587.46

Finding the Fourth Proportional to 13,556.74, 18,704.02 and 7,587.46

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Solution

The fourth proportional to 13,556.74, 18,704.02 and 7,587.46 is: 10,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.74 : 18,704.02 = 7,587.46 : x
  2. Step 2: Convert to fraction form
    13,556.74/18,704.02 = 7,587.46/x
  3. Step 3: Cross multiply
    13,556.74x = 18,704.02 × 7,587.46
  4. Step 4: Simplify right side
    13,556.74x = 141,916,003.59
  5. Step 5: Solve for x
    x = 141,916,003.59/13,556.74
  6. Step 6: Final answer
    x = 10,468.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.